Update README.md

Author: VanHakobyan

README.md

@@ -2,3 +2,20 @@
 
 
 <h4>Author <a href="https://github.com/tigranv">Tigran Vardanyan</a><h4>
+
+```C#
+private Point CorrespondingPoint(Point pt)
+{
+    double xmin = 0;
+    double xmax = 6.5;
+    double ymin = -1.1;
+    double ymax = 1.1;
+
+    var result = new Point
+    {
+        X = (pt.X - xmin) * canvas.Width / (xmax - xmin),
+        Y = canvas.Height - (pt.Y - ymin) * canvas.Height / (ymax - ymin)
+    };
+    return result;
+}
+```